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How to catch SQLServer timeout exceptions
...= sql.CreateCommand();
cmd.CommandText = "DECLARE @i int WHILE EXISTS (SELECT 1 from sysobjects) BEGIN SELECT @i = 1 END";
cmd.ExecuteNonQuery(); // This line will timeout.
cmd.Dispose();
sql.Close();
}
catch (SqlException ex)
{
if (ex.Number == -2) {
Console.WriteLine (...
What is sys.maxint in Python 3?
... Python list of all integer types so that a jit compiler can automatically convert it to the appropriate c type, for example. This is especially critical for classical algorithms where you might apply jit tools to make them much faster than a pure Python implementation, but still want to write the i...
What are allowed characters in cookies?
...Utility to safely encode the cookie value before writing to the cookie and convert it back to its original form on reading it out.
// Encode
HttpUtility.UrlEncode(cookieData);
// Decode
HttpUtility.UrlDecode(encodedCookieData);
This will stop ampersands and equals signs spliting a value into a b...
string.ToLower() and string.ToLowerInvariant()
... cultures. A Frenchman does not write SÉLECTIONNEZ x DE books instead of SELECT X FROM books. However, in order for the above code to work, a Turkish person would need to write SELECT x FROM books WHERE Author LİKE '%Adams%' (note the dot above the capital i, almost impossible to see). This wou...
Which C++ idioms are deprecated in C++11?
...s deduced as an int and not as a null pointer constant. And it can not be converted back to a null pointer constant after that. This cascades into a quagmire of problems that simply do not exist if the universe used only nullptr.
C++11 does not deprecate 0 and NULL as null pointer constants. But...
How do I prevent 'git diff' from using a pager?
...ent variable is set, Git does not change it at all).
If you want to selectively override Git's default setting for LESS, you can set core.pager to e.g. less -+S.
This will be passed to the shell by Git, which will translate the final command to LESS=FRSX less -+S. The environment tells the ...
Null coalescing in powershell
...ll values in the same order as the array created in Step 1.
[0] is used to select the first element of the filtered array.
Simplifying that:
Create an array of possible values, in preferred order
Exclude all null values from the array
Take the first item from the resulting array
Caveats
Unlik...
What's the difference between OpenID and OAuth?
... service. However, since OAuth does not support discovery, it requires pre-selecting and hard-coding the providers you decide to use. A user visiting your site cannot use any identifier, only those pre-selected by you. Also, OAuth does not have a concept of identity so using it for login means eithe...
HttpSecurity, WebSecurity and AuthenticationManagerBuilder
...allows configuration of web based security at a resource level, based on a selection match - e.g. The example below restricts the URLs that start with /admin/ to users that have ADMIN role, and declares that any other URLs need to be successfully authenticated.
protected void configure(HttpSecurity...
How to urlencode data for curl command?
...
@ColinFraizer the single quote serves to convert the following character into its numeric value. ref. pubs.opengroup.org/onlinepubs/9699919799/utilities/…
– Sam
Nov 22 '18 at 22:37
...